JetFormBuilder custom upload directory

gistfile1.txt

Don’t forget to add your folder name here:
define( 'JFB_CUSTOM_UPLOAD_DIR_NAME', 'ADD_YOUR_FOLDER_NAME_HERE' );
Find this line of code and add your folder name there.

Copy the following PHP and create a PHP snippet using your snippet plugins. 
Paste the code into the plugin and save it.
_______________________________________________________________
/**
 * JetFormBuilder custom upload directory
 * Securely redirects JetFormBuilder file uploads to a custom folder
 */

// Prevent direct access
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

/**
 * Change this to rename your upload folder.
 * Folder will be created (if needed) inside wp-content/uploads/
 */
if ( ! defined( 'JFB_CUSTOM_UPLOAD_DIR_NAME' ) ) {
    define( 'JFB_CUSTOM_UPLOAD_DIR_NAME', 'ADD_YOUR_FOLDER_NAME_HERE' );
}

// Main class to handle JetFormBuilder uploads
if ( ! class_exists( 'JFB_Custom_Upload_Handler' ) ) {

    class JFB_Custom_Upload_Handler {

        private $custom_folder = JFB_CUSTOM_UPLOAD_DIR_NAME;
        private $is_jfb_upload = false;

        public function __construct() {
            $this->init_hooks();
        }

        private function init_hooks() {
            // Hook into JetFormBuilder request processing
            add_action( 'wp_loaded', array( $this, 'setup_upload_filter' ), 1 );
            add_action( 'init',      array( $this, 'maybe_setup_late_hooks' ), 999 );
        }

        public function setup_upload_filter() {
            if ( $this->is_jetformbuilder_request() ) {
                add_filter( 'upload_dir', array( $this, 'custom_upload_directory' ), 999 );
            }
        }

        public function maybe_setup_late_hooks() {
            if ( class_exists( 'Jet_Form_Builder\Plugin' ) ) {
                add_action( 'jet-form-builder/request-handler/before-send', array( $this, 'enable_custom_upload' ) );
                add_action( 'jet-form-builder/request-handler/after-send',  array( $this, 'disable_custom_upload' ) );
                add_action( 'jet-form-builder/file-upload/before-upload', array( $this, 'enable_custom_upload' ) );
                add_action( 'jet-form-builder/file-upload/after-upload',  array( $this, 'disable_custom_upload' ) );
            }
        }

        public function enable_custom_upload() {
            $this->is_jfb_upload = true;
            add_filter( 'upload_dir', array( $this, 'custom_upload_directory' ), 999 );
        }

        public function disable_custom_upload() {
            $this->is_jfb_upload = false;
            remove_filter( 'upload_dir', array( $this, 'custom_upload_directory' ), 999 );
        }

        public function custom_upload_directory( $upload_data ) {
            if ( ! $this->is_jfb_upload && ! $this->is_jetformbuilder_request() ) {
                return $upload_data;
            }

            $custom_subdir = '/' . sanitize_file_name( $this->custom_folder );
            $custom_path   = $upload_data['basedir'] . $custom_subdir;

            if ( ! file_exists( $custom_path ) ) {
                if ( ! wp_mkdir_p( $custom_path ) ) {
                    error_log( 'JFB Custom Upload: Failed to create directory ' . $custom_path );
                    return $upload_data;
                }
            }

            if ( ! is_writable( $custom_path ) ) {
                error_log( 'JFB Custom Upload: Directory not writable ' . $custom_path );
                return $upload_data;
            }

            $upload_data['path']    = $custom_path;
            $upload_data['url']     = $upload_data['baseurl'] . $custom_subdir;
            $upload_data['subdir']  = $custom_subdir;

            return $upload_data;
        }

        private function is_jetformbuilder_request() {
            $indicators = array(
                ( isset( $_POST['action'] ) && (
                    strpos( $_POST['action'], 'jet_form_builder' ) !== false ||
                    strpos( $_POST['action'], 'jetformbuilder'    ) !== false
                ) ),
                isset( $_POST['_jet_form_builder'] ),
                isset( $_POST['jet_form_builder'] ),
                ( isset( $_POST['_wpnonce'] ) && wp_verify_nonce( $_POST['_wpnonce'], 'jet-form-builder' ) ),
                did_action( 'jet-form-builder/request-handler/request' ),
                doing_action( 'jet-form-builder/request-handler/request' ),
                ( isset( $_FILES ) && ! empty( $_FILES ) && $this->has_jfb_context() ),
                ( defined( 'REST_REQUEST' ) && REST_REQUEST &&
                  isset( $_SERVER['REQUEST_URI'] ) &&
                  strpos( $_SERVER['REQUEST_URI'], 'jet-form-builder' ) !== false
                )
            );

            return in_array( true, $indicators, true );
        }

        private function has_jfb_context() {
            return (
                ( isset( $_SERVER['HTTP_REFERER'] ) &&
                  strpos( $_SERVER['HTTP_REFERER'], 'jet-form-builder' ) !== false
                ) ||
                ( isset( $_POST['form_id'] ) && is_numeric( $_POST['form_id'] ) ) ||
                ( function_exists( 'jet_form_builder' ) &&
                  class_exists( 'Jet_Form_Builder\Classes\Tools' )
                )
            );
        }
    }

    // Initialize the handler
    new JFB_Custom_Upload_Handler();
}

// .htaccess protection for the custom folder
add_action( 'wp_loaded', function() {
    $upload_dir    = wp_upload_dir();
    $custom_path   = $upload_dir['basedir'] . '/' . JFB_CUSTOM_UPLOAD_DIR_NAME;
    $htaccess_file = $custom_path . '/.htaccess';

    if ( file_exists( $custom_path ) && ! file_exists( $htaccess_file ) ) {
        $htaccess_content  = "# Protect JetFormBuilder uploads\n";
        $htaccess_content .= "Options -Indexes\n";
        $htaccess_content .= "<Files ~ \"\\.(php|php3|php4|php5|phtml|pl|py|jsp|asp|sh|cgi)$\">\n";
        $htaccess_content .= "    deny from all\n";
        $htaccess_content .= "</Files>\n";

        file_put_contents( $htaccess_file, $htaccess_content );
    }
}, 999 );

// Email attachment compatibility
add_filter( 'jet-form-builder/mail/attachment-path', function( $attachment_path, $file_data ) {
    if ( strpos( $attachment_path, JFB_CUSTOM_UPLOAD_DIR_NAME ) === false ) {
        return $attachment_path;
    }

    if ( ! file_exists( $attachment_path ) ) {
        $upload_dir  = wp_upload_dir();
        $filename    = basename( $attachment_path );
        $custom_path = $upload_dir['basedir'] . '/' . JFB_CUSTOM_UPLOAD_DIR_NAME . '/' . $filename;

        if ( file_exists( $custom_path ) ) {
            return $custom_path;
        }
    }

    return $attachment_path;
}, 10, 2 );

// Cleanup function (optional - for uninstall)
function jfb_custom_upload_cleanup() {
    $upload_dir  = wp_upload_dir();
    $custom_path = $upload_dir['basedir'] . '/' . JFB_CUSTOM_UPLOAD_DIR_NAME;

    if ( file_exists( $custom_path ) ) {
        // Manual cleanup logic here if desired
    }
}